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Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG726537706

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG726537706

Diamond specifications and retailer prices

From $406 AUD
$285 USD
As of November 2, 2026
Save $2,513 AUD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,918 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG726537706 or 726537706. Listed at 25 retailers as of October 31, 2026, with prices from $406 to $2,918, a $2,513 spread on the same certified stone. Brilliant Earth lists it at $2,918. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726537706
Dimensions10.45 × 5.25 × 3.29 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.45 mm5.25 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726537706
Side View
Table 58.0%Crown 32.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,918 AUD|Low: $390 AUD|High: $3,559 AUD|Avg: $1,202 AUD|-18.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 7$406 AUD
Retailer 8$471 AUD
Retailer 4$504 AUD
Retailer 6$504 AUD
Retailer 2$519 AUD
Retailer 16$683 AUD
Retailer 3$855 AUD
Retailer 10$869 AUD
Retailer 9$883 AUD
Retailer 14$923 AUD
Retailer 12$1,214 AUD
Retailer 15$1,226 AUD
Retailer 5$1,620 AUD
Retailer 11$2,020 AUD
Retailer 13$2,056 AUD
Brilliant Earth$2,918 AUD

36 data points across 16 retailers

25 retailers$406 AUD to $2,918 AUD

A
Cheapest Retailer
-
$406 AUD
$285 USD
A
Retailer 2
-
$454 AUD
$319 USD
View
Final sale: no returns
A
Retailer 3
-
$471 AUD
$331 USD
View
A
Retailer 4
-
$504 AUD
$354 USD
View
Retailer 5
-
$504 AUD
$354 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$519 AUD
£287 GBP
View
A
Retailer 7
-
$565 AUD
HK$3,100 HKD
View
A
Retailer 8
-
$680 AUD
$478 USD
View
A
Retailer 9
-
$683 AUD
$480 USD
View
A
Retailer 10
-
$847 AUD
$595 USD
View
A
Retailer 11
-
$851 AUD
$598 USD
View
A
Retailer 12
-
$855 AUD
€572 EUR
View
A
Retailer 13
-
$869 AUD
ZAR 9,858 ZAR
View
A
Retailer 14
-
$883 AUD
£488 GBP
View
B+
Retailer 15
-
$923 AUD
View
B+
Retailer 16
-
$1,214 AUD
$853 USD
View
B+
Retailer 17
-
$1,226 AUD
View
B+
Retailer 18
-
$1,352 AUD
SGD 1,283 SGD
View
Retailer 19
-
$1,547 AUD
$1,087 USD
View
Price last confirmed 11 days ago
B+
Retailer 20
-
$1,620 AUD
$1,138 USD
View
B
Retailer 21
-
$1,690 AUD
$1,187 USD
View
B+
Retailer 22
-
$2,020 AUD
£1,117 GBP
View
B+
Retailer 23
-
$2,056 AUD
View
B
Retailer 24
-
$2,087 AUD
$1,466 USD
View
Most Expensive
B
Brilliant Earth
15880070A · Oct 31
$2,918 AUD
$2,050 USD
View
24 more retailers have this diamond
Prices start from $406 AUDSave up to $2,513 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.03ct Marquise
$406 AUD